Home / 511,246.10-705,560.23-281,844.15

Finding the Fourth Proportional to 511,246.10, 705,560.23 and 281,844.15

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Solution

The fourth proportional to 511,246.10, 705,560.23 and 281,844.15 is: 388,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,246.10 : 705,560.23 = 281,844.15 : x
  2. Step 2: Convert to fraction form
    511,246.10/705,560.23 = 281,844.15/x
  3. Step 3: Cross multiply
    511,246.10x = 705,560.23 × 281,844.15
  4. Step 4: Simplify right side
    511,246.10x = 198,858,021,888.93
  5. Step 5: Solve for x
    x = 198,858,021,888.93/511,246.10
  6. Step 6: Final answer
    x = 388,967.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.